14R/M421R/15R/M521R
Specifications
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2013 - 10 A01
Regulatory Model: P33G/P25F | Type: P33G001/P33G002/P25F001/P25F002
Computer Model: Inspiron 5420/5425/5520/5525/7420/7520
Inspiron
Dimensions
14R-5420/7420/
M421R-5425
Height (front and back) 28.88 mm to 31.60 mm
(1.14 inches to 1.24
inches)
Width 347.00 mm (13.66 inches) 378.00 mm (14.88
Depth 240.00 mm (9.45 inches) 252.00 mm (9.92 inches)
Weight (with 6-cell
battery)
2.40 kg (5.30 lb)
NOTE: The weight of your
laptop will vary depending
on the configuration
ordered and the
manufacturing variability.
Inspiron
15R-5520/7520/
M521R-5525
30.03 mm to 34.10 mm
(1.18 inches to 1.34
inches)
inches)
2.78 kg (6.13 lb)
NOTE: The weight of
your laptop will vary
depending on the
configuration ordered
and the manufacturing
variability.
Inspiron
System Information
14R-5420/7420/
M421R-5425
Processor • Intel Pentium dual core
• Intel Core i3
• Intel Core i5
• Intel Core i7
• AMD A4-4300M
• AMD A6-4400M
• AMD A8-4500M
• AMD A10-4600M
System chipset • Intel HM77 Express
chipset
• AMD A70M FCH chipset
Inspiron
15R-5520/7520/
M521R-5525
• Intel Pentium dual
core
• Intel Core i3
• Intel Core i5
• Intel Core i7
• AMD A4-4300M
• AMD A6-4400M
• AMD A8-4500M
• AMD A10-4600M
• Intel HM77 Express
chipset
• AMD A70M FCH
chipset
Inspiron
Memory
14R-5420/7420/
M421R-5425
Connectors two internally-accessible
DDR3 SODIMM sockets
Capacities 2 GB and 4 GB 2 GB and 4 GB
Minimum memory 2 GB 2 GB
Maximum memory 8 GB 8 GB
Memory type 1600 MHz DDR3 SODIMM 1600 MHz DDR3
Memory configurations
supported
2 GB, 4 GB, 6 GB, and
8 GB
Inspiron
15R-5520/7520/
M521R-5525
two internally-accessible
DDR3 SODIMM sockets
SODIMM
2 GB, 4 GB, 6 GB, and
8 GB
Inspiron
Communications
14R-5420/7420/
M421R-5425
Modem (optional) external V.92 56 K USB
modem
Network adapter 10/100 Ethernet LAN on
system board
(Inspiron 14R-5420,
Inspiron M421R-5425)
10/100/1000 Ethernet
LAN on system board
(Inspiron 14R-7420)
Wireless WLAN, WiMax, Wi-Fi
abgn/bgn, Wi-Di
(optional), and Bluetooth
wireless technology
Inspiron
15R-5520/7520/
M521R-5525
external V.92 56 K USB
modem
10/100 Ethernet LAN on
system board
(Inspiron 15R-5520,
Inspiron M521R-5525)
10/100/1000 Ethernet
LAN on system board
(Inspiron 15R-7520)
WLAN, WiMax, Wi-Fi
abgn/bgn, Wi-Di
(optional), and Bluetooth
wireless technology